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Princess|Lab Grown|IGI

1.51ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG634405515

Shape and cutting style on the report: Princess cut

Certificate IGI LG634405515

Diamond specifications and retailer prices

From €301 EUR
$336 USD
As of October 30, 2026
Save €1,193 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,494 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634405515 or 634405515. Listed at 15 retailers as of October 30, 2026, with prices from €301 to €1,494, a €1,193 spread on the same certified stone. MOH London lists it at €1,494. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634405515
Dimensions6.53 × 6.37 × 4.32 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.53 mm6.37 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634405515
Side View
Table 69.0%Crown 39.7°Girdle: THN-MEDPavilion 37.8°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,494 EUR|Low: €289 EUR|High: €1,512 EUR|Avg: €782 EUR|+1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 11€301 EUR
Retailer 5€349 EUR
Retailer 3€373 EUR
Retailer 12€373 EUR
Retailer 9€510 EUR
Retailer 6€602 EUR
Retailer 13€602 EUR
Retailer 8€641 EUR
Retailer 7€869 EUR
Retailer 2€1,056 EUR
Retailer 10€1,094 EUR
Retailer 14€1,199 EUR
Retailer 4€1,446 EUR
MOH London€1,494 EUR

33 data points across 14 retailers

15 retailers€301 EUR to €1,494 EUR

A
Cheapest Retailer
-
€301 EUR
$336 USD
A
Retailer 2
-
€349 EUR
$390 USD
View
A
Retailer 3
-
€373 EUR
$417 USD
View
Retailer 4
-
€373 EUR
$417 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€510 EUR
$570 USD
View
B+
Retailer 6
-
€602 EUR
$673 USD
View
B+
Retailer 7
-
€602 EUR
$673 USD
View
B+
Retailer 8
-
€641 EUR
ZAR 11,564 ZAR
View
B+
Retailer 9
-
€768 EUR
HK$6,700 HKD
View
B+
Retailer 10
-
€869 EUR
A$1,494 AUD
View
B
Retailer 11
-
€1,056 EUR
$1,180 USD
View
B
Retailer 12
-
€1,094 EUR
$1,222 USD
View
B
Retailer 13
-
€1,199 EUR
$1,339 USD
View
B
Retailer 14
-
€1,446 EUR
£1,272 GBP
View
Most Expensive
B
MOH London
LG634405515 · Nov 1
€1,494 EUR
£1,314 GBP
View
14 more retailers have this diamond
Prices start from €301 EURSave up to €1,193 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Princess
€301 EUR